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<div class="title">qwt_abstract_legend.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_ABSTRACT_LEGEND_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_ABSTRACT_LEGEND_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qframe.h&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">class </span><a class="code" href="class_qwt_legend_data.html">QwtLegendData</a>;</div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="class_q_list.html">   17</a></span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt; <span class="keyword">class </span><a class="code" href="class_q_list.html">QList</a>;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">class </span>QVariant;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="class_qwt_abstract_legend.html">   34</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_abstract_legend.html">QwtAbstractLegend</a> : <span class="keyword">public</span> QFrame</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;{</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    Q_OBJECT</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_abstract_legend.html">QwtAbstractLegend</a>( QWidget* parent = NULL );</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_abstract_legend.html">QwtAbstractLegend</a>();</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_qwt_abstract_legend.html#a2fe1ac5ac1448e4d86b7437505214d9c">   51</a></span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_legend.html#a2fe1ac5ac1448e4d86b7437505214d9c">renderLegend</a>( QPainter* painter,</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">const</span> QRectF&amp; rect, <span class="keywordtype">bool</span> fillBackground ) <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="class_qwt_abstract_legend.html#a9904720ba92daf03d0e5d8559cc5cdfe">   55</a></span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_abstract_legend.html#a9904720ba92daf03d0e5d8559cc5cdfe">isEmpty</a>() <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">int</span> scrollExtent( Qt::Orientation ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="keyword">public</span> Q_SLOTS:</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="class_qwt_abstract_legend.html#aa9fc80c9e1dcbcfef51b96a3bff268ca">   67</a></span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_legend.html#aa9fc80c9e1dcbcfef51b96a3bff268ca">updateLegend</a>( <span class="keyword">const</span> QVariant&amp; itemInfo,</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QwtLegendData &gt;</a>&amp; data ) = 0;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;};</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_q_list_html"><div class="ttname"><a href="class_q_list.html">QList</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__abstract__legend_8h_source.html#l00017">qwt_abstract_legend.h:17</a></div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html"><div class="ttname"><a href="class_qwt_abstract_legend.html">QwtAbstractLegend</a></div><div class="ttdoc">Abstract base class for legend widgets.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__abstract__legend_8h_source.html#l00034">qwt_abstract_legend.h:35</a></div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html_a2fe1ac5ac1448e4d86b7437505214d9c"><div class="ttname"><a href="class_qwt_abstract_legend.html#a2fe1ac5ac1448e4d86b7437505214d9c">QwtAbstractLegend::renderLegend</a></div><div class="ttdeci">virtual void renderLegend(QPainter *painter, const QRectF &amp;rect, bool fillBackground) const =0</div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html_a9904720ba92daf03d0e5d8559cc5cdfe"><div class="ttname"><a href="class_qwt_abstract_legend.html#a9904720ba92daf03d0e5d8559cc5cdfe">QwtAbstractLegend::isEmpty</a></div><div class="ttdeci">virtual bool isEmpty() const =0</div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html_aa9fc80c9e1dcbcfef51b96a3bff268ca"><div class="ttname"><a href="class_qwt_abstract_legend.html#aa9fc80c9e1dcbcfef51b96a3bff268ca">QwtAbstractLegend::updateLegend</a></div><div class="ttdeci">virtual void updateLegend(const QVariant &amp;itemInfo, const QList&lt; QwtLegendData &gt; &amp;data)=0</div><div class="ttdoc">Update the entries for a plot item.</div></div>
<div class="ttc" id="aclass_qwt_legend_data_html"><div class="ttname"><a href="class_qwt_legend_data.html">QwtLegendData</a></div><div class="ttdoc">Attributes of an entry on a legend.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__data_8h_source.html#l00036">qwt_legend_data.h:37</a></div></div>
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